PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20405Washer,keyway

Safran Power Usa Llc · NSN 5310-00-595-7616 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-595-7616 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-595-7616. Primary manufacturer part number: 20405.
Features
  • Washer,keyway — FSC 5310
  • Hole Diameter: 0.225 INCHES NOMINAL IN
  • Internal Keyway Quantity: 1
  • Material: STEEL OVERALL
  • Distance From Centerline to Bottom of Internal Keyway: 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Internal Keyway Width: 0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Outside Diameter: 0.484 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-595-7616, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safran Power Usa Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-595-7616
Primary Part Number20405
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSafran Power Usa Llc
StatusACTIVE
Hole Diameter0.225 INCHES NOMINAL IN
Internal Keyway Quantity1
MaterialSTEEL OVERALL
Distance From Centerline to Bottom of Internal Keyway0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Internal Keyway Width0.064 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Outside Diameter0.484 INCHES NOMINAL IN
Material Thickness0.010 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-156-67907405C1TX9 INTERCHANGEABLE
Bearing,ball,annular
Nsk Corp Bearing Div
3120-00-375-2877 INTERCHANGEABLE
Bushing Pump Shaft
5310-00-550-275120405 INTERCHANGEABLE
Washer,key
Parker-Hannifin Corporation Dba Control Systems Division
3130-00-838-5260SAF22513 INTERCHANGEABLE
Bearing Unit,roller
Skf Usa Inc.
5962-01-034-5184SNJ55121J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5975-01-055-51615040 INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
3020-01-182-18004012217-C INTERCHANGEABLE
Gear,spur
Funk Mfg Co Sub of Deere and Co
4130-01-286-7336 INTERCHANGEABLE
Head,condenser
5975-01-309-827820405 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
Science Applications International Corporation
6240-01-344-9531F5TT27K INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
Cross-Reference Index
Part NumberManufacturer
20405 PRIMARY Safran Power Usa Llc (USA)
20405 Ge Aviation Systems Llc (USA)
20405 Lucas Aerospace Power Equipment Corporation (USA)
Related Parts
3110-00-156-6790INTERCHANGEABLE
BEARING,BALL,ANNULAR
7405C1TX9
3120-00-375-2877INTERCHANGEABLE
BUSHING PUMP SHAFT
5310-00-550-2751INTERCHANGEABLE
WASHER,KEY
20405
3130-00-838-5260INTERCHANGEABLE
BEARING UNIT,ROLLER
SAF22513
5962-01-034-5184INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNJ55121J
5975-01-055-5161INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
5040
3020-01-182-1800INTERCHANGEABLE
GEAR,SPUR
4012217-C
4130-01-286-7336INTERCHANGEABLE
HEAD,CONDENSER
5975-01-309-8278INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
20405
6240-01-344-9531INTERCHANGEABLE
LAMP,FLUORESCENT
F5TT27K
4210-01-675-4887INTERCHANGEABLE
FOAM LIQUID,FIRE EXTINGUISHING
446894

Frequently Asked Questions

What is NSN 5310-00-595-7616?

NSN 5310-00-595-7616 is a Washer,keyway, manufactured by Safran Power Usa Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-595-7616?

NSN 5310-00-595-7616 has 3 cross-referenced part numbers: 20405 (Safran Power Usa Llc), 20405 (Ge Aviation Systems Llc), 20405 (Lucas Aerospace Power Equipment Corporation).

What NSN replaces 5310-00-595-7616?

There are 11 known substitutes for 5310-00-595-7616: 3110-00-156-6790, 3120-00-375-2877, 5310-00-550-2751 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20405?

Key specifications for 20405: Hole Diameter: 0.225 INCHES NOMINAL IN; Internal Keyway Quantity: 1; Material: STEEL OVERALL; Distance From Centerline to Bottom of Internal Keyway: 0.157 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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